:root {
	--site-width: 32rem; /* 800px */
	--side-padding: calc((100vw - var(--site-width)) / 2);
	--nav-background-color: rgba(240, 245, 255, 0.9);
	--nav-height: 3rem;

	--accent-color: #3fb2ff;
	--accent-hover-color: #34495e;

	--blue: #3fb2ff;
	--orange: #f39c12;
	--darkblue: #34495e;

	--vw: 1vw;

	color: rgba(0, 0, 0, 0.9);
	font-size: calc(12px + var(--vw));
	font-family: 'DIN', 'Open Sans', sans-serif;
	text-align: center;
}
@media (min-width: 2000px) {
	:root {
		--vw: 20px;
	}
}
* {
	box-sizing: border-box;
}
html, body {
	margin: 0;
}

div, header, main, article, footer {
	display: flex;
	flex-direction: column;
	justify-content: center;
}
p, h1, h2, h3, h4, ul {
	margin: 0;
}

img, canvas {
	display: block;
	max-width: 100%;
	margin: auto;
	transition: 0.3s;
}

a {
	text-decoration: none;
	transition: 0.3s;
}
/* a:hover {
	opacity: 0.8;
} */
main p a:hover {
	box-shadow: inset 0 -3px;
}
main a {
	color: var(--accent-color);
	font-weight: 600;
}
/* a.sponsorship-email {
	color: #ffb347;
} */

a:hover img {
	transform: translateY(-2px);
	filter: drop-shadow(0 5px 2px rgba(0, 0, 0, 0.2));
}

h1 {
	font-size: 3rem;
	line-height: 1.1;
	text-transform: uppercase;
}

input {
	background: none;
	border: none;
	font: inherit;
}
input:focus {
	outline: none;
}
input[type=email] {
	border-bottom: var(--accent-color) 2px solid;
	margin: 1rem 0;
	font-size: 0.9rem;
	transition: 0.2s;
	padding: 0.5rem 0;
	width: 100%;
}
input[type=email]:hover {
	border-bottom: var(--accent-hover-color) 2px solid;
}

input[type=submit] {
	font-size: 0.8rem;
	max-width: 200px;
	padding: 0.5rem 1rem;
	background-color: var(--accent-color);
	color: white;
	cursor: pointer;
	transition: 0.2s;
}
input[type=submit]:hover {
	background-color: var(--accent-hover-color);
}


table {
	border-collapse: collapse;
	border-radius: 0.25rem;
	overflow: hidden;
	margin: auto;
	margin-top: 0.75rem;
	text-align: left;
	max-width: 100%;
	font-size: 0.9em;
}
tr > * {
	padding: 0.3rem 0.5rem;
}
tr th {
	background-color: rgba(0, 60, 120, 0.08);
}
tr:nth-of-type(even) td {
	background-color: rgba(0, 60, 120, 0.01);
}
tr:nth-of-type(odd) td {
	background-color: rgba(0, 60, 120, 0.03);
}
tr > :first-child {
	text-align: right;
	white-space: nowrap;
}


nav, nav ul, nav ul li {
	display: flex;
}
nav {
	background-image: linear-gradient(
		to right,
		rgba(255, 255, 255, 0),
		var(--nav-background-color) var(--side-padding),
		var(--nav-background-color) calc(100vw - var(--side-padding)),
		rgba(255, 255, 255, 0)
	);
	box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.1);

	position: fixed;
	top: 0;
	width: 100vw;
	height: var(--nav-height);
	padding: 0 var(--side-padding);

	z-index: 1;
}
nav ul {
	padding: 0;
	align-items: center;
}
nav #logo {
	background: url('../images/Los-Altos-Hacks-Logo.svg') 1rem/auto 65% no-repeat;
	min-width: 5rem;
	height: 100%;
	margin-right: auto;
}
nav ul li a {
	color: inherit;
	padding: 0 1rem;
	line-height: var(--nav-height);
}



section {
	padding: 2.5rem 2rem;
	display: flex;
	justify-content: center;
	align-content: center;
	justify-items: center;
	align-items: center;
	background-color: rgba(255, 255, 255, 0.95);
	position: relative;
}
section:nth-child(even) {
	background-color: rgba(250, 253, 255, 0.9);
}

footer {
	align-items: center;
	padding: 2rem 2rem;
	background-color: #22303d;
	color: white;
	position: relative;
}

hr {
	border: 0;
	clear: both;
	display: block;
	width: 40%;
	background-color: #e3e7ed;
	height: 2px;
	margin: 3.5rem auto;
	margin-bottom: 2rem;
}

.row {
	flex-wrap: wrap;
	flex-direction: row;
	align-items: center;
	max-width: var(--site-width);
	width: 100%;
}
.row > * {
	max-width: 100%;
}
.row > :not(:only-child) {
	padding: 1rem;
}
.row.columns-half > * {
	flex: 1 320px;
}
.row.columns-medium > * {
	flex: 1 calc(240px + 7 * var(--vw));
}
.row.columns-small > * {
	flex: 1 1 calc(130px + 10 * var(--vw));
	max-width: calc((130px + 10 * var(--vw)) * 1.352);
}
.row.columns-tiny > * {
	flex: 1 calc(90px + 8 * var(--vw));
	max-width: calc((90px + 8 * var(--vw)) * 1.25);
}
.row.columns-tinier > * {
	flex: 1 calc(80px + 5 * var(--vw));
	padding: 0.5rem;
	max-width: calc((80px + 5 * var(--vw)) * 1.5);
}
.row > * > * + * {
	margin-top: 1rem;
}


#top {
	display: grid;
	grid-template-areas:
		'logo details'
		'top-main top-main';
	grid-template-columns: 40% auto;
	grid-gap: 1rem;
	text-align: left;
	background: radial-gradient(white, #67b7e1);
	padding-top: 3rem;
	padding-bottom: 3rem;
	min-height: 100vh;
}
@media (max-width: 717px) {
	#top {
		grid-template-areas:
			'logo'
			'details'
			'top-main';
		grid-template-columns: auto;
		text-align: center;
	}
}
@media (max-width: 469px) {
	#top-main h2 {
		width: 100%;
	}
}

#top-canvas {
	position: absolute;
	overflow: hidden;
	mix-blend-mode: overlay;
	mix-blend-mode: color-burn;
	pointer-events: none;
	/*opacity: 0.75;*/
	backface-visibility: hidden;
	z-index: 0;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
}

.gradient-text {
	background: -webkit-linear-gradient(40deg, #106eb8, #a0d2f0);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	text-shadow: rgba(82, 190, 230, 0.5) 1px 1px 0.1em;
}

#teaser-animation-wrapper {
	grid-area: logo;
	width: 60 * var(--vw);
	max-width: 100%;
}
#teaser-animation {
	/* mix-blend-mode: multiply; */
	transition: 0.3s;
	max-height: 10rem;
}
#teaser-animation:not(:hover) {
	z-index: 1;
}
#teaser-animation:hover {
	filter: saturate(1.1) drop-shadow(currentColor 1px 1px 10px);
	color: rgb(204, 236, 247);
	transform: scale(1.001);
	animation: Pop 0.3s;
}
@keyframes Pop {
	from, to { transform: none }
	20% { transform: scale(1.1) }
}

#top-text {
	grid-area: details;
	display: grid;
}
#top-text .date {
	margin-top: 0.5rem;
}
#top-text .venue {
	margin-top: 0.5rem;
	line-height: 1;
}
#top-text .address {
	font-size: 0.7em;
}
#top-text a {
	font-weight: normal;
}

/*#email-signup {
	background-color: rgba(255, 255, 255, 0.9);
	box-shadow: 0px 5px 14px 0px rgba(69,69,69,0.25);
	border-radius: 0.25rem;
	padding: 2rem;
	width: 100%;
	max-width: 700px;
	margin: 2rem auto 0;
}*/

#top-main {
	grid-area: top-main;
}
.button, .row > .button {
	display: flex;
	line-height: 1;
	color: white;
	margin: 0.4rem;
	transform: skew(-15deg);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	padding: 0.65em 1em;
}
.button.blue {
	background-color: var(--blue);
}
.button.darkblue {
	background-color: var(--darkblue);
}
.button:hover {
	opacity: 0.5;
}
.button span {
	display: inline-block;
	transform: skew(15deg);
}

#countdown, #countdown-label {
	font-variant: small-caps;
	color: darkslategray;
}

#about {
	text-align: left;
}

.faq-wrapper {
	font-size: 0.75em;
	line-height: 1.65;
	align-items: start;
	text-align: left;
}
.faq-wrapper > * {
	padding: 0 0.5rem;
}

summary {
	display: flex;
	justify-content: space-between;
	align-items: center;
	outline: none;
	cursor: pointer;
	transition: 0.3s;
}
summary:hover {
	color: var(--blue);
}
summary::-webkit-details-marker {
	display: none;
}
summary:after {
	content: '';
	display: table;
	border: solid;
	border-width: 0 0.2em 0.2em 0;
	font-size: 0.66em;
	width: 1em;
	height: 1em;
	transform: translateX(-0.3536em) rotate(-45deg);
	transition: transform 0.3s;
}
details[open] > summary:after {
	transform: translateY(-0.3536em) rotate(45deg);
}
details > summary + * {
	animation: DetailsOpen 0.5s linear;
}
details[open] > summary + * {
	margin-top: 0.5em;
	max-height: 100vh;
	animation-direction: reverse;
}
@keyframes DetailsOpen {
	from { overflow: hidden; max-height: 100vh }
	to { overflow: hidden; max-height: 0; opacity: 0 }
}


#schedule h3 {
	margin-top: 1.75rem;
}
#schedule table {
	width: 100%;
}
#schedule * + p {
	font-size: 0.85em;
}


#team .team-wrapper {
	font-size: 0.9em;
	align-items: start;
}
#team figure, #judges figure {
	margin: 0;
	padding: 0.75rem;
	max-width: 225px;
}
figure img {
	border-radius: 50%;
	transition: 0.3s;
	max-height: 230px;
	-webkit-box-shadow: 0px 3px 13px 0px rgba(0,0,0,0.15);
	-moz-box-shadow: 0px 3px 13px 0px rgba(0,0,0,0.15);
	box-shadow: 0px 3px 13px 0px rgba(0,0,0,0.15);
}
figure:hover img {
	transform: scale(1.1);
}
.row figure h4 {
	margin: 0 -3em;
	margin-top: 0.75em;
}
.row figure figcaption {
	font-size: 0.8em;
	margin-top: 0.25em;
}

.judges-wrapper {
	font-size: 0.85em;
	align-items: start;
}
.judges-wrapper figure figcaption:nth-of-type(2) {
	font-weight: bold;
	font-size: 0.7em;
}

#partners img {
	max-height: calc(40px + 6 * var(--vw));
}
#sponsors img {
	max-height: calc(20px + 6 * var(--vw));
}
#food img {
	max-height: calc(60px + 6 * var(--vw));
}
#past-years img {
	box-shadow: 0px 5px 14px 0px rgba(69,69,69,0.25);
}

.social-media a {
	background: radial-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9) 50%, transparent 50%, transparent);
	border-radius: 50%;
	display: inline-flex;
}
.social-media a:hover {
	filter: drop-shadow(0 0 6px) drop-shadow(#fff 0 0 1px);
}


::selection {
	background: #2980b9;
	background: transparent;
	text-shadow: #3498db 0 0 19px;
	color: #02a2dd;
	-webkit-text-fill-color: #02a2dd;
}
::-moz-selection {
	background: #2980b9;
	background: transparent;
	text-shadow: #3498db 0 0 19px;
	color: #02a2dd;
}


/* Workaround for "disappearing Typeform" bug */
/* See https://codepen.io/darrylyeo/pen/gvONMG */
iframe {
	-webkit-transform: none !important;
	transform: none !important;
}
